An item which is designed to be attached to but does not include a wire or cable. It is used in the testing of electric or electronic circuits. Active electronic components, such as Capacitors, ELECTRON TUBES, Resistors, Semiconductor devices, and the like may be mounted into and included with the item. Excludes TEST, LEAD ATTACHMENT. For items which include a wire or cable see LEAD, TEST. See also PROBE, WAVEGUIDE and TIP, TEST PROD.